Search -
Alexander Graham Bell: The Story of the Telephone and How it Has Revolutionized World Communications (Scientists Who Have Changed the World)
Alexander Graham Bell The Story of the Telephone and How it Has Revolutionized World Communications - Scientists Who Have Changed the World Author:Michael Pollard An exploration of the contribution made by Alexander Bell to world communications. Trained as a speech therapist and a deaf therapist, it was through his work in telegraph research that he first saw the idea of the telephone. From this idea he developed the first working telephone.